Anton Diabelli (September 5, 1781 ? April 8, 1858) was an Austrian music publisher, editor and composer. Best known in his time as a publisher, he is most familiar today as the composer of the waltz on which Ludwig van Beethoven wrote his set of thirty-three Diabelli Variations.
Diabelli was born in Mattsee near Salzburg. He was trained to enter the priesthood, but also took music lessons with Michael Haydn. He moved to Vienna to teach the piano and guitar before becoming partners with Pietro Cappi in 1818 and setting up a music publishing firm with him.
The firm, Cappi & Diabelli (which became Diabelli & Co. in 1824) became well known by arranging popular pieces so they could be played by amateurs at home. The firm became well known in more serious music circles by becoming the first to publish works by Franz Schubert, a composer the firm later championed.
Diabelli produced a number of works as a composer, including an operetta called Adam in der Klemme, several masses and songs and numerous piano and classical guitar pieces. Among these are pieces for four hands (two pianists playing at one piano), which are popular amongst amateur pianists.
The composition for which Diabelli is now best known was actually written as part of a publishing venture. In 1819, he decided to try to publish a volume of variations on a waltz he had penned expressly for this purpose, with one variation by every important Austrian composer living at the time, as well as several significant non-Austrians. The combined contributions would be published in an anthology called Vaterländischer Künstlerverein. Fifty-one composers responded with pieces, including Beethoven, Schubert, Carl Czerny, Johann Nepomuk Hummel, Ignaz Moscheles, and the eight-year-old Franz Liszt (although it seems Liszt was not invited personally, but his teacher Czerny arranged for him to be involved). Czerny was also enlisted to write a coda. Beethoven, however, instead of providing just one variation, provided 33, and his formed Part I of Vaterländischer Künstlerverein. They constitute what is generally regarded as one of the greatest of Beethoven's piano pieces and as the greatest set of variations of their time, and are generally known simply as the Diabelli Variations, Op. 120. The other 50 variations were published as Part II of Vaterländischer Künstlerverein.
Diabelli's publishing house expanded throughout his life, before he retired in 1851, leaving it under the control of Carl Anton Spina. When Diabelli died in 1858, Spina continued to run the firm, and published much music by Johann Strauss II and Josef Strauss. In 1872, the firm was taken over by Friedrich Schreiber, and in 1876 it merged with the firm of August Cranz, who bought the company in 1879 and ran it under his name.
He died in Vienna at the age of 76.
Diabelli's composition Pleasures of Youth: Six Sonatinas is a collection of six sonatinas depicting a struggle between unknown opposing forces. This is suggested by the sharp and frequent change in dynamics from forte to piano. When forte is indicated, the pianist is meant to evoke a sense of wickedness, thus depicting the antagonist. In contrast, the markings of piano represent the protagonist with its softer, more tranquil tones.
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